[HarfBuzz] Disabling OT features for ranges

[Lóránt Pintér]

I just realized that github is not the freshest source for HarfBuzz. :) Anyway, thanks for the quick reply, it is indeed fixed in the current head.  

--  
Lóránt Pintér
Developer at Prezi (http://prezi.com)



On Tuesday, February 19, 2013 at 4:16 PM, Behdad Esfahbod wrote:

> On 02/19/2013 09:40 AM, Lóránt Pintér wrote:
> > Hi,
> >  
> > I'm trying to disable some OpenType features while shaping. I'm trying to
> > shape "VAV VAV" and disable kerning for the first three characters.
> >  
> > If I don't set any features, kerning is on for the whole string: OK, this is
> > what I expect
> > If I set "+kern[4:7]", I get what I want: the first "VAV" is not kerned, the
> > second is: OK
> > *If I set "-kern[0:3]", I get kerning disabled for the whole string: NOT what
> > I expect*
> > *If I set "+kern", "-kern[0:3]", I get kerning disabled for the whole string:
> > NOT what I expect*
> > If I set "+kern[0:8]", "-kern[0:3]", I get what I want: the first "VAV" is not
> > kerned, the second is: OK
> >  
> > So "+/-kern[x:y]" disables the kerning for the rest of the input unless I
> > specify the whole range with "+kern[0:end]" first. I find it a bit
> > contra-intuitive. Is this how it should work?
> >  
>  
>  
> As Jonathan pointed out already, this was surprisingly broken and no one ever
> noticed until now! But we fixed it last week.
>  
> --  
> behdad
> http://behdad.org/
>  
>  


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